PowerBass XL-1240MF
2x4Ω
4Ω
Subwoofer
12″ / 305 mm
Nominal diameter
35 Hz
Resonance
0.71
Q factor
88 dB
Sensitivity
± 9.5 mm
Linear excursion
500 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.8
- dB
- Frequency response
- 32 - 500
- Hz
- Resonance frequency (free air)
- fS
- 35.0
- Hz
- Mechanical quality factor
- QMS
- 4.50
- Electrical quality factor
- QES
- 0.75
- Total quality factor
- QTS
- 0.71
- Maximum linear excursion
- xmax
- 9.5
- mm
- Air volume displaced at xmax
- VD
- 466
- cm³
- Power handling
- P
- 250
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.4
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.86
- mH
- VC Diameter
- 51
- mm
- Force factor
- Bl
- 11.6
- N/A
- Motor constant
- Bl/√RE
- 6.29
- N/√W
- Weight
- 3.97
- kg
- Effective diameter
- 250
- mm
- Effective area
- SD
- 491
- cm²
- Moving mass
- MMS
- 117
- g
- Moving mass (without air load)
- MMD
- 109.2
- g
- Material
- Polypropylene
- Stiffness
- KMS
- 6.25
- N/mm
- Compliance
- CMS
- 160
- µm/N
- Equivalent volume to the compliance
- VAS
- 59
- L
- Mechanical resistance
- RMS
- 5.72
- N·s/m
- Nominal diameter
- 12
- ″
- 305
- mm
- Baffle cutout diameter
- 279
- mm
- Mounting depth
- 142
- mm
- Volume occupied by the driver (estimated)
- 2.4
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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